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| author | Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> | 2018-04-27 22:12:51 +0300 |
|---|---|---|
| committer | Simon Horman <horms+renesas@verge.net.au> | 2018-08-09 17:18:31 +0200 |
| commit | 6575841e847eb4227d2ff1efedb25c5d03677ea8 (patch) | |
| tree | 77830b7efdb13c984bad9bd59c37df81b76a19b6 | |
| parent | 797e98bf0a1ecb287e8265cde276de5d91af2cdc (diff) | |
| download | renesas-backport-6575841e847eb4227d2ff1efedb25c5d03677ea8.tar.gz | |
arm64: dts: renesas: r8a77980: add CAN-FD support
Define the generic R8A77980 part of the CAN-FD device node.
Based on the original (and large) patch by Vladimir Barinov.
Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
[simon: consistently use tabs for indentation]
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
(cherry picked from commit f38c41727211f2cdd9bb6f2999d46daafeacc5aa)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
| -rw-r--r-- | arch/arm64/boot/dts/renesas/r8a77980.dtsi | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/renesas/r8a77980.dtsi b/arch/arm64/boot/dts/renesas/r8a77980.dtsi index 5c865fcd39864..3a127643d1dc4 100644 --- a/arch/arm64/boot/dts/renesas/r8a77980.dtsi +++ b/arch/arm64/boot/dts/renesas/r8a77980.dtsi @@ -38,6 +38,13 @@ }; }; + /* External CAN clock - to be overridden by boards that provide it */ + can_clk: can { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <0>; + }; + extal_clk: extal { compatible = "fixed-clock"; #clock-cells = <0>; @@ -170,6 +177,30 @@ status = "disabled"; }; + canfd: can@e66c0000 { + compatible = "renesas,r8a77980-canfd", + "renesas,rcar-gen3-canfd"; + reg = <0 0xe66c0000 0 0x8000>; + interrupts = <GIC_SPI 29 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&cpg CPG_MOD 914>, + <&cpg CPG_CORE R8A77980_CLK_CANFD>, + <&can_clk>; + clock-names = "fck", "canfd", "can_clk"; + assigned-clocks = <&cpg CPG_CORE R8A77980_CLK_CANFD>; + assigned-clock-rates = <40000000>; + power-domains = <&sysc R8A77980_PD_ALWAYS_ON>; + status = "disabled"; + + channel0 { + status = "disabled"; + }; + + channel1 { + status = "disabled"; + }; + }; + avb: ethernet@e6800000 { compatible = "renesas,etheravb-r8a77980", "renesas,etheravb-rcar-gen3"; |